The Pisco Basin is a hot, desert area famed for frequent discoveries of ancient marine species and was an extensive sea in ancient times, making it a reservoir of marine fossils.

Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique ... Montbrook and Palmetto Fauna Bone Valley, by about 600,000 years.

MacFadden, University of Florida (THE CONVERSATION) The ratios of strontium isotopes in fossil shark teeth can be used ... Montbrook and Palmetto Fauna Bone Valley, by about 600,000 years.

The ratios of strontium isotopes in fossil shark teeth can be used to better understand how ... Montbrook and Palmetto Fauna Bone Valley, by about 600,000 years. Before our study, scientists could ...